Siemens Simatic S7-1500 / ET 200MP - Installing I;O Modules

Installation
6.8 Installing I/O modules
Automation system
146 System Manual, 01/2023, A5E03461182-AK
6.8 Installing I/O modules
Introduction
The I/O modules are then mounted to the right of the CPU/interface module. I/O modules
form the interface between the controller and the process. The controller detects the current
process state via the connected sensors and actuators, and triggers the corresponding
reactions.
Requirements
The mounting rail is installed.
The CPU/interface module is installed.
In the module/CPU/interface module located to the left of the I/O module, a U-connector is
inserted on the back right.
Tools required
Screwdriver with 4.5 mm blade
Installing I/O modules
Watch video sequence (https://support.industry.siemens.com/cs/ww/en/view/78027451)
Proceed as follows to install an I/O module:
1. Insert a U connector into the back right on the I/O module.
Exception: the last I/O module in the assembly
2. Install the I/O module on the mounting rail. Push the I/O module up to the left module.